Finding a really good 3m keyboard tray is essential because the platform must be durable enough to support a keyboard and mouse. A high qualityadjustable 3m keyboard tray is also able to support your wrists and elbows for decreased muscle tension and pain. Here are the top 5 3m keyboard trays available on the market: 3M Lever-Less Sit-To-Stand Adjustable Keyboard Tray- This tray is able to enhance productivity and comfort. Users can adjust heights between sitting and standing positions. Other features allow users to avoid stress injuries. The easy adjustable sit/stand arm allows consumers to quickly switch between standing and sitting positions. This can be done without adjusting the levers on this 3m ergonomic keyboard tray. The 3M keyboard tray also comes with a precise battery saving mouse surface, which is perfect for those who have a wireless optimal mouse. The battery length can be increased up to 75%. What sets this model apart from the rest is the seperate mousing platform which mounts right or left without any tools. RightAngle Myriad Sit-To-Stand Keyboard- This computer 3m keyboard tray comes with a seperate mouse tray. The material used for this model is steel, which provides high functional usage and durability. The surface has been finished with a powder coated rich layer to keep the mouse and keyboard in tact. A Natural Elite keyboard can also be used with the palm support. Consumers can adjust the height without using levers or knobs. A single knob is provided for tilt adjustment. It also has a 360 degree rear swivel along with a 23 inch precise glide track. The warranty provides protection against defects or other material damage. 3M Computer Keyboard Tray- This tray comes with a knob adjustable arm which tilts and has different height adjustments. 17 inch trays are included for the keyboard to glide to smoothly. The 3M dual lock attachment system decreases muscle aches of the wrist and elbow. For more protection of the wrist, a gel wrist rest was added with an antimicrobial protection. For the cost and durability, this tray is considered one of the best on the market. 3M Value Lever Adjustable Keyboard With Mouse Tray- This tray has an easy to use lever arm mechanism for height usability. A pull-tab system is included for tilt adjustment. The keyboard is able to glide on a 21 inch track and can be stored snuggly under the desk when not in use. A self-adhesive mousing surface can be positioned left or right. A gel wrist rest stand was also added to this specific model to reduce pressure points. 3M Budget Adjustable Keyboard Mouse Tray- This model is called 'Budget' for the obvious reasons of being affordable and of high quality. Different colors come in burgundy, blue, gray, black and dark green. It comes with standard features such as the knob adjust arm for height adjustments and the 17 inch track (which allows the keyboard to glide smooth in and out of he desk). A 3M dual lock attachment was included to hold the wrist rest mat in place, but also allows for easy removal. This model offers standard features and doesn't have many "extras", but the performance and high quality is up to the standards of many buyers.